[openstack-dev] [Fuel][Plugins] differenciate node with the same role

Andrey Danin adanin at mirantis.com
Thu Jun 25 10:47:48 UTC 2015

Hi, Samuel,

We use magic words in node names for Fuel Contrail plugin. It uses
the "bare" role to deploy Contrail controllers.

Unfortunately, we don't have node tags in 6.1, but we are going to
implement custom roles from a plugin in 7.0. Please see a spec

On Wednesday, June 24, 2015, Samuel Bartel <samuel.bartel.pro at gmail.com>

> Hi folks
> I am wondering if it is possible to differenciate nodes within a same
> role. Is it possible for example to apply aplugin to a compute node A but
> not a compute node B?
> It will be more clear with examples :
> 1) for the nfs plugin I want to use nfs storage backend for compute node A
> but LVM for compute node B
> 2) I was thinking of a plugin to define Availability zone and setup
> compute node A and B in AZ1 and compute node C in AZ2
> I think it would possible to check according to specific value in the name
> of the node. But it doesn't seems to me to be very clean. And if we hav
> many plugins built in that way, name of the node would become very
> complicated soon and it is not very flexible. I was more looking a way to
> put a tag in the node (without needed to manually edit deployement yaml
> files)
> Anyone has already done something like this or has a tips on that topic?
> regards
> Samuel

Andrey Danin
adanin at mirantis.com
skype: gcon.monolake
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